2018 MERCEDES-BENZ C-CLASS COUPE Owners Manual

0007
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. 0007
Tolock theve hicle: touch sensor sur face
1 or2. 0007
Convenience closing: touch recessed sen‐
sor su rface 2until the closing procedure is
comple te. 0009
Further information on con venience closing
(0013 page 87).
If yo u open the boot lid from outside it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and 0050
0050Solutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R The key functions ha vebeen deactivated (0013 page72).
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. 0007
Activate theke y functions (0013 page72). 0007
Check the battery using the battery check lamp and replace if necessary (0013 page73). 0007
Use the emer gency keyto unlo ckor lock theve hicle (0013 page73). 0007
Have theve hicle and keych ecked at a qualified specialist workshop. 78
Opening and closing

Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. 0007
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. 0007
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R While theve hicle is being tow star ted/
pushed.
R The vehicle is being tested on the dynamom‐
et er. Locking/unlocking
the driver's door with the
emer gency key 0009
Ifyo u wish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key. 0007
Insert the emer gency key as far as it will go
into opening 1inthe co ver. 0007
Pull and hold the door handle. 0007
Pull the co ver on the emer gency key as
st ra ight as possible away from theve hicle
until it releases. 0007
Release the door handle. Opening and closing
79

0007
Tounlo ck:turn the emer gency key anti-
clo ckwise toposition 0047. 0007
Tolock: turnthe emer gency key clo ckwise to
position 0047. 0007
Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly. Boot
Opening the bo
otlid 000A
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
boot lid is open when the engine is running,
especially if theve hicle is in motion. 0007
Alw ays switch off the engine before
opening the boot lid. 0007
Never drive with the boot lid open. 000E
NO
TEDama getothe boot lid byobs ta‐
cles ab ovetheve hicle The boot lid swings upwards when it is
opened. 0007
Therefore, make sure that there is suf fi‐
cient clearance ab ovethe boot lid. Yo
u ha vethefo llowing options for opening
the bo otlid: 0007
Pull boot lid remo teoperating switch 1. 0007
Press and hold the008B button on thekey. 0007
Vehicles with HANDS-FREE ACCESS: Use
yo ur foot to kick below the bumper
(0013 page 83). 0007
Vehicles with boot lid conve nience clos‐
ing feature: withthe boot lid stopped in an 80
Opening and closing

intermediate position, pull it upwards and
re lease it as soon as it begins toopen.
Wi th th e boot lid opening limiter activated,
manually pull thestopped boot lid upwards.
Ve hicles with boot lid conve nience closing:if
an object restricts the boot lid during the auto‐
matic opening process, the object recognition
function stops the boot lid. The object recogni‐
tion function is only an aid and is not a substi‐
tute foryo ur attentiveness. Closing
the boot lid 000A
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. 0007
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. 0007
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. Comply with
the loading guidelines when loading
th eve hicle. 000A
WARNING Risk of becoming trapped
du ring au tomatic closing of the boot lid
Pa rts of the body could become trapped dur‐
ing automatic closing of the boot lid. More‐
ove r,people, e.g. children, may be standing
in the closing area or may enter the closing
area during the closing process. 0007
Make sure that nobody is in the vicinity
of the closing area during the closing
process.
Use one of thefo llowing options tostop the
closing process:
R Press the008B button on thekey. R
Press or pull there mo teoperating switch
on the driver's door.
R Press the closing or locking button on the
boot lid. Ve
hicles with HANDS-FREE ACCESS: it is also
possible tostop the closing process bymaking a
kicking mo vement with your foot below there ar
bumper.
Yo u ha vethefo llowing options toclose the
boot lid: 0007
Pull the boot lid down using the handle
re cess and push it closed. 0007
Vehicles with HANDS-FREE ACCESS: with
th e boot lid comple tely opened, kick your
fo ot below the bumper (0013 page 83). 0007
Vehicles with boot lid conve nience clos‐
ing feature: withthe boot lid stopped in an
intermediate position, push it down wards.
The boot lid continues toclose. 0007
Vehicles with boot lid conve nience clos‐
ing and KEYLESS-GO: withthe boot lid com‐
ple tely opened, press and holdthe008B but‐ Opening and closing
81

to
n on theke y (with theke y in the vicinity of
th eve hicle). 0007
Vehicles with boot lid conve nience clos‐
ing feature: press boot lid remo teoperating
switch 1. 0007
Vehicles with boot lid conve nience clos‐
ing feature: press closing button 1onthe
boot lid. 0007
Vehicles with boot lid conve nience clos‐
ing and KEYLESS-GO: press locking button
2 onthe boot lid.
If a key is de tected outside theve hicle, the
boot lid will close and theve hicle will be
loc ked. Boot lid automatic
reve rsing function
If an object obstructs the boot lid during the
automatic closing process, the boot lid will open
again automaticall y.The automatic reve rsing
function is only an aid and is not a substitute for
yo ur attentiveness. 0007
When closing, make sure that no body parts
are in the closing area. 000A
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rse function does not react:
R tosoft, light and thin objects, e.g. fingers
R over the last 8 mm of the closing path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. 0007
When closing, make sure that no body
parts are in the closing area.
If someone is trapped:
R press the008B button on theke y,or 82
Opening and closing

R
press or pull there mo teoperating switch
on the driver's door, or
R Press the closing or locking button on the
boot lid. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or inter rupt boot lid mo vement byper form ing a
kicking mo vement under there ar bumper.
The kicking mo vement triggers the opening or
closing process alternatel y.
Obser vethe no tes when opening
(0013 page 80) and closing (0013 page81)the
boot lid.
0009 Awa rning tone sounds while the boot lid is
opening or closing. 000A
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself by touching theex haust
sy stem. 0007
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. 000E
NO
TEDama getotheve hicle caused by
unin tentional lyopening the boot lid: R
when using an automatic car wash
R when using a high pressure cleaner 0007
Deactivate KEYLESS-GO or make sure
that theke y located is at least 3 m
aw ay from theve hicle in such situa‐
tions. When making
the kicking mo vement, make sure
th at your feet are firm ly on the ground, other‐
wise you could lose your balance, e.g. on ice.
Re quirements:
R The key is behind theve hicle.
R Stand at least 30 cm away from theve hicle
while per form ing the kicking mo vement.
R Do not come into contact with the bumper
while making the kicking mo vement.
R Do not car ryout the kicking mo vement too
slowl y.
R The kicking mo vement must be towa rdsthe
ve hicle and back again. Opening and closing
83

1
Detection range of the sensors
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
R Snow or dirt, e.g. from road salt, co vers the
sensor area.
R The kicking mo vement is made using a pros‐
th etic leg. The boot lid could be opened or closed unin
ten‐
tional ly, in thefo llowing situations:
R A person's arms or legs are moving in the
sensor de tection range, e.g. when polishing
th eve hicle or picking up objects.
R Objects are mo ved or placed behind theve hi‐
cle, e.g. tensioning stra ps or luggage.
R Clamping stra ps, tarp aulins or other co ver‐
ings are pulled overth e bumper.
R A pr otective mat with a length reaching over
th e boot sill down into the de tection range of
th e sensors is used.
R The pr otective mat is not secured cor rectl y.
R Workis being under take n on the trailer hitch,
on trailers or rear bicycle rack s.
Deactivate KEYLESS-GO (0013 page72) or do
not ca rryth eke y about your person in such sit‐
uations. Swit
ching separate boot locking on or off If
yo u centrally unlo cktheve hicle while separate
locking is activated, the boot will remain loc ked. 0007
Toswitch on: slidethe switch toposition
0047. 0007
Toswitch off: slidethe switch toposition
0048.
0009 If an accident has been de tected, the boot
will unlock even if separate lo cking is
switched on. 84
Opening and closing

Ac
tivating/deactivating the bo otlid opening
limiter Multimedia sy
stem:
0018 Vehicle 0019
î Vehicle settings
0019 Boot lid open. limiter
This function allo wsyouto avoid bumping the
boot lid on a low garage ceiling, forex ample. 0007
Activate 0073or deacti vate 0053 the function. Side windo
ws Opening and closing
the side windo ws 000A
WARNING Risk of becoming trapped
when opening a side window
When you open a side wind ow, parts of the
body could be dr awn in or become trapped
between the side window and window frame. 0007
When opening, make sure that nobody
is touching the side windo w. 0007
If someone is trapped, release the but‐
to n immedia tely or pull it in order to
close the side window again. 000A
WARNING Risk of becoming trapped
when closing a side window
When closing a side windo w,body parts
could be trapped in the closing area in the
process. 0007
When closing, make sure that no body
parts are in the closing area. 0007
If someone is trapped, release the but‐
to n immedia tely or press the button in
order toreopen the side windo w. 000A
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Children could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded. 0007
Never lea vechildren unat tended in the
ve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. Re
quirements:
R The po wer supply or the ignition is switched
on. 1
Closing
2 Opening Opening and closing
85